Book stand



FIG. 1 is a front perspective view of a book stand showing my new design;

FIG. 2 is a right side view of the book stand;

FIG. 3 is a left side view of the book stand;

FIG. 4 is a front view of the book stand;

FIG. 5 is a back view of the book stand;

FIG. 6 is a top view of the book stand;

FIG. 7 is a bottom view of the book stand; and,

FIG. 8 is a perspective view of the book stand including a phantom open book and page marker.

The broken lines of the Figures illustrate environmental structure and portions of the book stand that form no part of the claimed design. 

CLAIM The ornamental design for a book stand, as shown and described. 